Prepare v2023.10
[platform/kernel/u-boot.git] / board / samsung / goni / goni.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  *  Copyright (C) 2008-2009 Samsung Electronics
4  *  Minkyu Kang <mk7.kang@samsung.com>
5  *  Kyungmin Park <kyungmin.park@samsung.com>
6  */
7
8 #include <common.h>
9 #include <init.h>
10 #include <log.h>
11 #include <asm/global_data.h>
12 #include <asm/gpio.h>
13 #include <asm/arch/mmc.h>
14 #include <dm.h>
15 #include <linux/delay.h>
16 #include <power/pmic.h>
17 #include <usb/dwc2_udc.h>
18 #include <asm/arch/cpu.h>
19 #include <power/max8998_pmic.h>
20 #include <samsung/misc.h>
21 #include <usb.h>
22 #include <usb_mass_storage.h>
23 #include <asm/mach-types.h>
24
25 DECLARE_GLOBAL_DATA_PTR;
26
27 int board_init(void)
28 {
29         /* Set Initial global variables */
30         gd->bd->bi_arch_number = MACH_TYPE_GONI;
31         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
32
33         return 0;
34 }
35
36 int dram_init(void)
37 {
38         gd->ram_size = PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE +
39                         PHYS_SDRAM_3_SIZE;
40
41         return 0;
42 }
43
44 int dram_init_banksize(void)
45 {
46         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
47         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
48         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
49         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
50         gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
51         gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
52
53         return 0;
54 }
55
56 #ifdef CONFIG_DISPLAY_BOARDINFO
57 int checkboard(void)
58 {
59         puts("Board:\tGoni\n");
60         return 0;
61 }
62 #endif
63
64 #ifdef CONFIG_MMC
65 int board_mmc_init(struct bd_info *bis)
66 {
67         int i, ret, ret_sd = 0;
68
69         /* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
70         gpio_request(S5PC110_GPIO_J27, "massmemory_en");
71         gpio_direction_output(S5PC110_GPIO_J27, 1);
72
73         /*
74          * MMC0 GPIO
75          * GPG0[0]      SD_0_CLK
76          * GPG0[1]      SD_0_CMD
77          * GPG0[2]      SD_0_CDn        -> Not used
78          * GPG0[3:6]    SD_0_DATA[0:3]
79          */
80         for (i = S5PC110_GPIO_G00; i < S5PC110_GPIO_G07; i++) {
81                 if (i == S5PC110_GPIO_G02)
82                         continue;
83                 /* GPG0[0:6] special function 2 */
84                 gpio_cfg_pin(i, 0x2);
85                 /* GPG0[0:6] pull disable */
86                 gpio_set_pull(i, S5P_GPIO_PULL_NONE);
87                 /* GPG0[0:6] drv 4x */
88                 gpio_set_drv(i, S5P_GPIO_DRV_4X);
89         }
90
91         ret = s5p_mmc_init(0, 4);
92         if (ret)
93                 pr_err("MMC: Failed to init MMC:0.\n");
94
95         /*
96          * SD card (T_FLASH) detect and init
97          * T_FLASH_DETECT: EINT28: GPH3[4] input mode
98          */
99         gpio_request(S5PC110_GPIO_H34, "t_flash_detect");
100         gpio_cfg_pin(S5PC110_GPIO_H34, S5P_GPIO_INPUT);
101         gpio_set_pull(S5PC110_GPIO_H34, S5P_GPIO_PULL_UP);
102
103         if (!gpio_get_value(S5PC110_GPIO_H34)) {
104                 for (i = S5PC110_GPIO_G20; i < S5PC110_GPIO_G27; i++) {
105                         if (i == S5PC110_GPIO_G22)
106                                 continue;
107
108                         /* GPG2[0:6] special function 2 */
109                         gpio_cfg_pin(i, 0x2);
110                         /* GPG2[0:6] pull disable */
111                         gpio_set_pull(i, S5P_GPIO_PULL_NONE);
112                         /* GPG2[0:6] drv 4x */
113                         gpio_set_drv(i, S5P_GPIO_DRV_4X);
114                 }
115
116                 ret_sd = s5p_mmc_init(2, 4);
117                 if (ret_sd)
118                         pr_err("MMC: Failed to init SD card (MMC:2).\n");
119         }
120
121         return ret & ret_sd;
122 }
123 #endif
124
125 #ifdef CONFIG_USB_GADGET
126 static int s5pc1xx_phy_control(int on)
127 {
128         struct udevice *dev;
129         static int status;
130         int reg, ret;
131
132         ret = pmic_get("max8998-pmic", &dev);
133         if (ret)
134                 return ret;
135
136         if (on && !status) {
137                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
138                 reg |= MAX8998_LDO3;
139                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
140                 if (ret) {
141                         puts("MAX8998 LDO setting error!\n");
142                         return -EINVAL;
143                 }
144
145                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
146                 reg |= MAX8998_LDO8;
147                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
148                 if (ret) {
149                         puts("MAX8998 LDO setting error!\n");
150                         return -EINVAL;
151                 }
152                 status = 1;
153         } else if (!on && status) {
154                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF1);
155                 reg &= ~MAX8998_LDO3;
156                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF1, reg);
157                 if (ret) {
158                         puts("MAX8998 LDO setting error!\n");
159                         return -EINVAL;
160                 }
161
162                 reg = pmic_reg_read(dev, MAX8998_REG_ONOFF2);
163                 reg &= ~MAX8998_LDO8;
164                 ret = pmic_reg_write(dev, MAX8998_REG_ONOFF2, reg);
165                 if (ret) {
166                         puts("MAX8998 LDO setting error!\n");
167                         return -EINVAL;
168                 }
169                 status = 0;
170         }
171         udelay(10000);
172         return 0;
173 }
174
175 struct dwc2_plat_otg_data s5pc110_otg_data = {
176         .phy_control = s5pc1xx_phy_control,
177         .regs_phy = S5PC110_PHY_BASE,
178         .regs_otg = S5PC110_OTG_BASE,
179         .usb_phy_ctrl = S5PC110_USB_PHY_CONTROL,
180 };
181
182 int board_usb_init(int index, enum usb_init_type init)
183 {
184         debug("USB_udc_probe\n");
185         return dwc2_udc_probe(&s5pc110_otg_data);
186 }
187 #endif
188
189 #ifdef CONFIG_MISC_INIT_R
190 int misc_init_r(void)
191 {
192 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
193         set_board_info();
194 #endif
195         return 0;
196 }
197 #endif
198
199 int board_usb_cleanup(int index, enum usb_init_type init)
200 {
201         return 0;
202 }